I noticed after the schedule maint.. when logging in it ask you to agree with a tos/agreement. Well at first it just list the things they did but as u scroll down youll notice there is a section where it says some thing along the lines that you are giving consent to let them scan your memory for...
you got offered 20b and your asking how much they are worth? I would have jumped all over if some one offered me 20+B. Seriously if its legit id take it... I doubt you'll see any better offers.